Math, asked by shranya2510, 7 months ago

(1+sinA)(1-sinA) = 1/sec2A

Answers

Answered by simi1850

3

Step-by-step explanation:

(1+sinA)(1-sinA)=1/sec2A

(1+sin²A)=1/sec2A

cos²A=1/sec2A

=1/2

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